UDC Parts 42in Mower Blades Replacement 6-Point Star Direct-Fit for Cub Cadet XT1 LT42 — OEM Match, Balanced Steel

These UDC Parts 942-0616A replacement blades are direct-fit 6-point star mounting mower blades engineered to restore cutting performance on compatible 42" Cub Cadet, Troy-Bilt, Craftsman and other lawn tractors and zero-turn mowers.

If your mower deck has grown dull or a blade was damaged, replacing both blades with properly sized, correctly mounted replacements brings back even, efficient cutting and extends deck life. These blades from UDC Parts match the OEM part numbers listed and are manufactured to the dimensional specifications required for 42" decks that use the 6-point star center hole pattern. Before ordering, confirm your mower’s exact model code and verify the blade center hole pattern; some XT1 and XT2 models use different mounting patterns and will not accept these blades.

How do I confirm these blades will fit my mower?

Measure your current blade and check the center mounting pattern. These UDC Parts blades use a 6-point star center hole and are intended to replace OEM 942-0616A and listed equivalents. If your original blade shows a different center hole or different dimensions, do not install these.

• Diagonal blade length: 21-3/16"
• Blade width: 3" and cutting edge length: 5-7/16"
• Center hole: 6-point star; side hole: 5/16"; center-to-center outside hole: 2-1/2"

What models and OEM numbers are compatible with these blades?

These blades replace several OEM part numbers and fit many 42" decks from Cub Cadet, Troy-Bilt, Craftsman, MTD and other brands when the 6-point star pattern is used. Compatibility lists are broad; always cross-check with your mower’s plate and original blade stamping to ensure correct match.

• Replaces: Cub Cadet 942-0616A, 742-0616A, 942-04126 and equivalents
• Works with: XT1 LT42, XT2 LX42, ZT1-42, RZT models and many listed zero-turn and lawn tractor variants
• Also compatible with: Troy-Bilt TB42 series, Craftsman models referenced in the fitment notes

What are the build and performance features of these replacement blades?

UDC Parts blades are cut and formed to match OEM geometry so blade balance, lift characteristics and clipping discharge are preserved. The air-lift profile and cutting edge length are sized to maintain the deck’s intended airflow and mulching or side-discharge performance when installed correctly.

• Air lift dimension: 1-7/64" to maintain proper grass lift
• Balanced design to minimize vibration and spindle wear
• Durable steel construction suitable for routine lawn use

Who this is for: This product is for owners of 42" decks that require the 6-point star center-mount blade replacement—especially those restoring cutting performance after wear or damage. It's ideal for homeowners and small-property caretakers who want an OEM-dimension replacement without buying original branded blades. If you are unsure about your mower’s blade pattern, remove and inspect the old blade or consult your owner’s manual before purchasing. UDC Parts provides one year of product support for manufacturing defects and can assist with fit verification if you provide your full mower model number.